<!DOCTYPE html><html><head><script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/1.5.1/jquery.min.js"></script><script> ???//setTimeout ???var colors = new Array("red","green","blue"); ???????function changeColor(){ ???????//var colorIndex = Math.round(Math.random()*3); ???????var color_div=colors[Math.round(Math.random()*3)]; ???????var color_font=colors[Math.round(Math.random()*3)]; ???????document.getElementById("div_c").style.background=color_div; ???????document.getElementById("font_c").style.color=color_font; ???????//document.wirte(colorIndex); ???????setTimeout("changeColor()",1000); ???}</script></head><body onload="changeColor()"><div id="div_c" align="center" style="height:1000px;width:100%"> ???<br/> ???<br/> ???<br/> ???<font id="font_c" size="20px" >自动变换颜色</font></div></body></html>用JS实现变换背景和字体颜色
原文地址：http://www.cnblogs.com/daba/p/7435851.html